D121212121213132313113313231123313232233132332121111331323223311   >>    D12121212121313231311331323112331323223313233212111133132322331   <<    D121212121213132313113313231123313232233132332121111331323223313   >>      D121212121213132313113313231123313232233132332121111331323223312   >>